Home / 11,857.15-17,698.91-10,455.94

Finding the Fourth Proportional to 11,857.15, 17,698.91 and 10,455.94

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Solution

The fourth proportional to 11,857.15, 17,698.91 and 10,455.94 is: 15,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.15 : 17,698.91 = 10,455.94 : x
  2. Step 2: Convert to fraction form
    11,857.15/17,698.91 = 10,455.94/x
  3. Step 3: Cross multiply
    11,857.15x = 17,698.91 × 10,455.94
  4. Step 4: Simplify right side
    11,857.15x = 185,058,741.03
  5. Step 5: Solve for x
    x = 185,058,741.03/11,857.15
  6. Step 6: Final answer
    x = 15,607.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.